These changes are the raw update to linux-4.4.6-rt14. Kernel sources
[kvmfornfv.git] / kernel / drivers / gpu / drm / sti / sti_compositor.c
index 43215d3..afed217 100644 (file)
 #include <drm/drmP.h>
 
 #include "sti_compositor.h"
-#include "sti_drm_crtc.h"
-#include "sti_drm_drv.h"
-#include "sti_drm_plane.h"
+#include "sti_crtc.h"
+#include "sti_cursor.h"
+#include "sti_drv.h"
 #include "sti_gdp.h"
+#include "sti_plane.h"
+#include "sti_vid.h"
 #include "sti_vtg.h"
 
 /*
@@ -31,7 +33,7 @@ struct sti_compositor_data stih407_compositor_data = {
                        {STI_GPD_SUBDEV, (int)STI_GDP_1, 0x200},
                        {STI_GPD_SUBDEV, (int)STI_GDP_2, 0x300},
                        {STI_GPD_SUBDEV, (int)STI_GDP_3, 0x400},
-                       {STI_VID_SUBDEV, (int)STI_VID_0, 0x700},
+                       {STI_VID_SUBDEV, (int)STI_HQVDP_0, 0x700},
                        {STI_MIXER_MAIN_SUBDEV, STI_MIXER_MAIN, 0xC00},
                        {STI_MIXER_AUX_SUBDEV, STI_MIXER_AUX, 0xD00},
        },
@@ -53,14 +55,29 @@ struct sti_compositor_data stih416_compositor_data = {
        },
 };
 
-static int sti_compositor_init_subdev(struct sti_compositor *compo,
-               struct sti_compositor_subdev_descriptor *desc,
-               unsigned int array_size)
+static int sti_compositor_bind(struct device *dev,
+                              struct device *master,
+                              void *data)
 {
-       unsigned int i, mixer_id = 0, layer_id = 0;
+       struct sti_compositor *compo = dev_get_drvdata(dev);
+       struct drm_device *drm_dev = data;
+       unsigned int i, mixer_id = 0, vid_id = 0, crtc_id = 0;
+       struct sti_private *dev_priv = drm_dev->dev_private;
+       struct drm_plane *cursor = NULL;
+       struct drm_plane *primary = NULL;
+       struct sti_compositor_subdev_descriptor *desc = compo->data.subdev_desc;
+       unsigned int array_size = compo->data.nb_subdev;
+
+       dev_priv->compo = compo;
 
+       /* Register mixer subdev and video subdev first */
        for (i = 0; i < array_size; i++) {
                switch (desc[i].type) {
+               case STI_VID_SUBDEV:
+                       compo->vid[vid_id++] =
+                           sti_vid_create(compo->dev, desc[i].id,
+                                          compo->regs + desc[i].offset);
+                       break;
                case STI_MIXER_MAIN_SUBDEV:
                case STI_MIXER_AUX_SUBDEV:
                        compo->mixer[mixer_id++] =
@@ -68,83 +85,68 @@ static int sti_compositor_init_subdev(struct sti_compositor *compo,
                                             compo->regs + desc[i].offset);
                        break;
                case STI_GPD_SUBDEV:
-               case STI_VID_SUBDEV:
                case STI_CURSOR_SUBDEV:
-                       compo->layer[layer_id++] =
-                           sti_layer_create(compo->dev, desc[i].id,
-                                            compo->regs + desc[i].offset);
+                       /* Nothing to do, wait for the second round */
                        break;
                default:
                        DRM_ERROR("Unknow subdev compoment type\n");
                        return 1;
                }
-
        }
-       compo->nb_mixers = mixer_id;
-       compo->nb_layers = layer_id;
-
-       return 0;
-}
-
-static int sti_compositor_bind(struct device *dev, struct device *master,
-       void *data)
-{
-       struct sti_compositor *compo = dev_get_drvdata(dev);
-       struct drm_device *drm_dev = data;
-       unsigned int i, crtc = 0, plane = 0;
-       struct sti_drm_private *dev_priv = drm_dev->dev_private;
-       struct drm_plane *cursor = NULL;
-       struct drm_plane *primary = NULL;
 
-       dev_priv->compo = compo;
-
-       for (i = 0; i < compo->nb_layers; i++) {
-               if (compo->layer[i]) {
-                       enum sti_layer_desc desc = compo->layer[i]->desc;
-                       enum sti_layer_type type = desc & STI_LAYER_TYPE_MASK;
-                       enum drm_plane_type plane_type = DRM_PLANE_TYPE_OVERLAY;
+       /* Register the other subdevs, create crtc and planes */
+       for (i = 0; i < array_size; i++) {
+               enum drm_plane_type plane_type = DRM_PLANE_TYPE_OVERLAY;
 
-                       if (crtc < compo->nb_mixers)
-                               plane_type = DRM_PLANE_TYPE_PRIMARY;
+               if (crtc_id < mixer_id)
+                       plane_type = DRM_PLANE_TYPE_PRIMARY;
 
-                       switch (type) {
-                       case STI_CUR:
-                               cursor = sti_drm_plane_init(drm_dev,
-                                               compo->layer[i],
-                                               1, DRM_PLANE_TYPE_CURSOR);
-                               break;
-                       case STI_GDP:
-                       case STI_VID:
-                               primary = sti_drm_plane_init(drm_dev,
-                                               compo->layer[i],
-                                               (1 << compo->nb_mixers) - 1,
-                                               plane_type);
-                               plane++;
+               switch (desc[i].type) {
+               case STI_MIXER_MAIN_SUBDEV:
+               case STI_MIXER_AUX_SUBDEV:
+               case STI_VID_SUBDEV:
+                       /* Nothing to do, already done at the first round */
+                       break;
+               case STI_CURSOR_SUBDEV:
+                       cursor = sti_cursor_create(drm_dev, compo->dev,
+                                                  desc[i].id,
+                                                  compo->regs + desc[i].offset,
+                                                  1);
+                       if (!cursor) {
+                               DRM_ERROR("Can't create CURSOR plane\n");
                                break;
-                       case STI_BCK:
-                       case STI_VDP:
+                       }
+                       break;
+               case STI_GPD_SUBDEV:
+                       primary = sti_gdp_create(drm_dev, compo->dev,
+                                                desc[i].id,
+                                                compo->regs + desc[i].offset,
+                                                (1 << mixer_id) - 1,
+                                                plane_type);
+                       if (!primary) {
+                               DRM_ERROR("Can't create GDP plane\n");
                                break;
                        }
+                       break;
+               default:
+                       DRM_ERROR("Unknown subdev compoment type\n");
+                       return 1;
+               }
 
-                       /* The first planes are reserved for primary planes*/
-                       if (crtc < compo->nb_mixers && primary) {
-                               sti_drm_crtc_init(drm_dev, compo->mixer[crtc],
-                                               primary, cursor);
-                               crtc++;
-                               cursor = NULL;
-                               primary = NULL;
-                       }
+               /* The first planes are reserved for primary planes*/
+               if (crtc_id < mixer_id && primary) {
+                       sti_crtc_init(drm_dev, compo->mixer[crtc_id],
+                                     primary, cursor);
+                       crtc_id++;
+                       cursor = NULL;
+                       primary = NULL;
                }
        }
 
-       drm_vblank_init(drm_dev, crtc);
+       drm_vblank_init(drm_dev, crtc_id);
        /* Allow usage of vblank without having to call drm_irq_install */
        drm_dev->irq_enabled = 1;
 
-       DRM_DEBUG_DRIVER("Initialized %d DRM CRTC(s) and %d DRM plane(s)\n",
-                        crtc, plane);
-       DRM_DEBUG_DRIVER("DRM plane(s) for VID/VDP not created yet\n");
-
        return 0;
 }
 
@@ -179,7 +181,6 @@ static int sti_compositor_probe(struct platform_device *pdev)
        struct device_node *vtg_np;
        struct sti_compositor *compo;
        struct resource *res;
-       int err;
 
        compo = devm_kzalloc(dev, sizeof(*compo), GFP_KERNEL);
        if (!compo) {
@@ -187,7 +188,7 @@ static int sti_compositor_probe(struct platform_device *pdev)
                return -ENOMEM;
        }
        compo->dev = dev;
-       compo->vtg_vblank_nb.notifier_call = sti_drm_crtc_vblank_cb;
+       compo->vtg_vblank_nb.notifier_call = sti_crtc_vblank_cb;
 
        /* populate data structure depending on compatibility */
        BUG_ON(!of_match_node(compositor_of_match, np)->data);
@@ -251,12 +252,6 @@ static int sti_compositor_probe(struct platform_device *pdev)
        if (vtg_np)
                compo->vtg_aux = of_vtg_find(vtg_np);
 
-       /* Initialize compositor subdevices */
-       err = sti_compositor_init_subdev(compo, compo->data.subdev_desc,
-                                        compo->data.nb_subdev);
-       if (err)
-               return err;
-
        platform_set_drvdata(pdev, compo);
 
        return component_add(&pdev->dev, &sti_compositor_ops);
@@ -268,7 +263,7 @@ static int sti_compositor_remove(struct platform_device *pdev)
        return 0;
 }
 
-static struct platform_driver sti_compositor_driver = {
+struct platform_driver sti_compositor_driver = {
        .driver = {
                .name = "sti-compositor",
                .of_match_table = compositor_of_match,
@@ -277,8 +272,6 @@ static struct platform_driver sti_compositor_driver = {
        .remove = sti_compositor_remove,
 };
 
-module_platform_driver(sti_compositor_driver);
-
 MODULE_AUTHOR("Benjamin Gaignard <benjamin.gaignard@st.com>");
 MODULE_DESCRIPTION("STMicroelectronics SoC DRM driver");
 MODULE_LICENSE("GPL");